value	quality	siderealorsynodic	author	ref	method
6.4030	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.4050	2	Sidereal	Durech	2020A&A...643A..59D	Model
6.4050	2	Synodic	Waszczak	2015AJ....150...75W	Lightcurve
6.4058	3-	Synodic	Behrend	LCDB	Lightcurve